Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.53 − 39 =
- 2.92 − 15 =
- 3.53 − 22 =
- 4.94 − 69 =
- 5.65 − 34 =
- 6.71 − 19 =
- 7.53 − 43 =
- 8.62 − 35 =
- 9.80 − 47 =
- 10.83 − 15 =
- 11.74 − 26 =
- 12.69 − 54 =
- 13.69 − 42 =
- 14.85 − 28 =
- 15.56 − 46 =
- 16.72 − 24 =
- 17.52 − 18 =
- 18.89 − 42 =
- 19.83 − 44 =
- 20.54 − 22 =
- 21.59 − 14 =
- 22.91 − 51 =
- 23.66 − 32 =
- 24.80 − 69 =
- 25.94 − 65 =
- 26.53 − 26 =
- 27.61 − 19 =
- 28.77 − 63 =
- 29.99 − 69 =
- 30.63 − 16 =
- 31.81 − 14 =
- 32.80 − 31 =
- 33.55 − 33 =
- 34.65 − 16 =
- 35.81 − 19 =
- 36.69 − 56 =
- 37.56 − 24 =
- 38.90 − 77 =
- 39.66 − 29 =
- 40.64 − 46 =
Answer key
- 14
- 77
- 31
- 25
- 31
- 52
- 10
- 27
- 33
- 68
- 48
- 15
- 27
- 57
- 10
- 48
- 34
- 47
- 39
- 32
- 45
- 40
- 34
- 11
- 29
- 27
- 42
- 14
- 30
- 47
- 67
- 49
- 22
- 49
- 62
- 13
- 32
- 13
- 37
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths